Virtual Pin more than 4

I tried to enable a simple template to command a led strip with and ESP8266

I’m able to correctly work with 4 virtual pin from v0 to v3, with the code below.
from the app, clicking on a button, I successful turn on the led.
I have a datastream for each virtual pin, and I need to use 6 virtual pin.

the problem is when I try to use a virtual pin following v3… like for example v6 or v10…
the event is not raised, and then I’m not able to execute the code when I push the button

where is my error ? :smiley:

[Unformatted code removed by moderator]

@noce2k please edit your post, using the pencil icon at the bottom, and add triple backticks at the beginning and end of your code so that it displays correctly.
Triple backticks look like this:
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Pete.